В суде слушается дело о взыскании алиментов.Мать имеет 1 группу крови,ребенок-2,в отцовстве обвиняется мужчина с 3 группой крови.Может ли быть отцом ребенка этот мужчина?Какая группа крови возможна для отца?

объём призмы и пирамиды

напишите формулы!!!

  Выберите правильный ответ 
I... speak German.
a) am not b) doesn't c) don't

My friend... live in Orekhovo-Zujevo.
a) aren't b) doesn't c) don't

Where you (live) ?
a) Where do you live? b) Where are you live?  
c) Where does you live?

.... your friend (speak) English?
a) Is... speak b) Does... speak c) Do ... speaks

They ... chessl after classes.
a) play sometimes b) sometimes play c) are sometimes playing d) sometimes are playing

I often watch TV... the evening, but today I'm going to the cinema.
a) in, to b) at, to c) in, of d) to, in

... is that man with a brown hat on? I don't know ....
a) what, he b) who, him c) who, he d) what, him

Who .... to the college? – My brother ...
a) goes, does b) go, do c) goes, do d) go, does

 Comrade Petrov...to us about the plan last week.
a) speaks b) speaked c) spoke d) spoken

 I ... work at five o`clock yesterday.
a) finished b) finish c) finishes d) finishing

кто-нибудь, подскажите, пожалуйста, как решать задачи гиа по информатике такого плана?